1G VS 2G VS 3G VS 4G VS 5G
• 1G wireless technology and its drawbacks
• 2G wireless technology and its drawbacks
• 2.5G wireless technology and its drawbacks
• 3G wireless technology and its drawbacks
• 4G wireless technology and its drawbacks
• 5G wireless technology and its drawbacks
• Future technology
• The word wireless in dictionary defined “having no
wires ” .
• In networking terminology , wireless is the term
used to describe any computer network where there
is no physical wired connection
• Using Analog signals
• Listen to handset
• It's Speed was upto
• Frequency typically
150MHz & above
1G Wireless Technology
Drawbacks Of 1G
• Poor battery
• Poor voice quality
• Large in size
• No security
• Frequency call drop
2G Wireless Technology
• It enables services such as text messages,
picture messages and MMS (multi media
• It’s data speed was upto 64kbps.
• It provides better quality and capacity .
Drawbacks Of 2G
• Weaker digital signal
• These systems are unable to handle complex
data such as Videos.
• Reduce range of sound
2.5 G Wireless Technology
• 2.5G is a technology between the second
(2G) and third (3G) generation of mobile
• 2.5G is sometimes described as 2G Cellular
Technology combined with GPRS.
Features Includes in 2.5 G:
• Phone Calls
• Send/Receive E-mail Messages
• Web Browsing
• Speed : 64-144 kbps
• Camera Phones
3G Wireless Technology
• Data Transmission speed increased from
• Providing Faster Communication
• Send/Receive Large Email Messages
• High Speed Web / More Security
• Video Conferencing / 3D Gaming
• TV Streaming/ Mobile TV/ Phone Calls
Drawbacks Of 3G
• High Bandwidth Requirement
• Expensive 3G Phones.
• Large Cell Phones
4G Wireless Technology
“ Any time any where”
• Capable of providing 100Mbps – 1Gbps speed.
• More Security
• High Speed
• High Capacity
• Low Cost Per-bit
Drawbacks Of 4G
• Battery uses is more
• Hard to implement
• Need complicated hardware
• Expensive equipment required to
implement next generation network.
5G Wireless Technology
• The router or switch we are going to use in 5G
network would provide high connectivity with
• It is 10 times more faster than 4G.
• It has a expected speed of 1gbps.
• Lower cost than the previous version.
• Uploading & Downloading speed of 5G
touching the peak (up to 1Gbps)
• Better & fast solution
• It is highly supportable to WWWW
(Wireless World Wide Web).
• Large Phone Memory, Dialing Speed,
clarity in Audio/Video.
• 5G technology is going to give tough
competition to Computers and Laptops.